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Trademark Assignment Assignor Details

Assignor Name : ENDOTRONICS, INC.

Total Assignments: 4

Assignment: 1

Reel/Frame:	0800/0849			Pages:	23
		Recorded:	03/11/1991
Conveyance:	SECURITY INTEREST

Assignor

ENDOTRONICS, INC.

Exec Dt:	02/27/1991
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

INTEGRA HOLDING AG

Entity Type:	CORPORATION
Citizenship:	SWITZERLAND

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73513175	1381111	73560859	1391480	73560861	1394725	73568875	1432743	73619766	1440510
73619767	1441908	73619768	1439844	73736225	1569330	73736226	1558827	73736227	1561848
74055853	1648707	74055927	1678064	74102268	1778286

Correspondence name and address
	TIMOTHY M. KELLEY
	MICHAEL, BEST & FRIEDRICH
	100 EAST WISCONSIN AVENUE
	MILWAUKEE, WISCONSIN 53202-4108

Assignment: 2

Reel/Frame:	1032/0035			Pages:	3
		Recorded:	09/08/1993
Conveyance:	CHANGE OF NAME 19930512

Assignor

ENDOTRONICS, INC.

Exec Dt:	04/30/1993
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

CELLEX BIOSCIENCES, INC.

8500 EVERGREEN BLVD., MINNEAPOLIS, MN 55433

Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73513175	1381111	73560859	1391480	73568875	1432743	73619766	1440510	73619768	1439844
73736225	1569330	73736226	1558827	73736227	1561848	74055853	1648707	74055927	1678064
74102268	1778286	74137003	1782039	74151495	1733976	74151498	1757569	74151597	1691383
74207679	1746351	74334526	NONE	74334527	1867395	74334536	1849743	74347504	NONE
74356080	1813255

Correspondence name and address
	CYNTHIA CLARKE WEBER, ESQUIRE
	SUGHRUE, MION, ZINN, MACPEAK & SEAS
	2100 PENNSYLVANIA AVENUE, N.W.
	STE. 800
	WASHINGTON, DC 20037-3202

Assignment: 3

Reel/Frame:	1027/0405			Pages:	2
		Recorded:	09/07/1993
Conveyance:	CHANGE OF NAME 19930512

Assignor

ENDOTRONICS, INC.

Exec Dt:	05/12/1993
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

CELLEX BIOSCIENCES, INC.

8500 EVERGREEN BLVD.

COON RAPIDS, MINNESOTA 55433

Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73812751	1584308	73812752	1588498	74054618	1655314	74054620	1656064	74221116	1855090
74349568	NONE	74354001	NONE	74354002	1859357	74354003	1817634	74354004	1856476

Correspondence name and address
	FREDRIKSON & BYRON, P.A.
	PHILIP M. GOLDMAN
	1100 INTERNATIONAL CENTRE
	900 SECOND AVENUE SOUTH
	MINNEAPOLIS, MINNESOTA 55402

Assignment: 4

Reel/Frame:	1055/0419			Pages:	2
		Recorded:	11/08/1993
Conveyance:	CHANGE OF NAME 19931015

Assignor

ENDOTRONICS, INC.

Exec Dt:	05/12/1993
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

CELLEX BIOSCIENCES, INC.

8500 EVERGREEN BLVD.

COON RAPIDS, MINNESOTA 55433

Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Property

	Ser. #	Reg. #
	74388258	2003341

Correspondence name and address
	PHILIP M. GOLDMAN
	1100 INTERNATIONAL CENTRE
	900 SECOND AVENUE S.
	MINNEAPOLIS, MINNESOTA 55402

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